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5 Written questions

5 Matching questions

  1. outer core
  2. crust
  3. sea-floor spreading
  4. convection
  5. granite
  1. a process by which molten material adds new oceanic crust to ocean floor
  2. b the layer of rock that forms earth's outer surface
  3. c transfer of heat in a heated fluid
  4. d usually light colored rock that makes up most continental crust
  5. e layer of molten iron and nickel that surrounds inner core of earth

5 Multiple choice questions

  1. movement of fluid caused by differenes in temperature that transfers heat from one part to another
  2. dense sphere of solid iron and nickel in center of earth
  3. process by which oceanic crust sinks through a deep ocean trench and back into mantle; convergent plate boundary
  4. amount of mass in a given space, mass per unit volume
  5. layer of hot, solid material between earth's crust and core

5 True/False questions

  1. sonardevice that determines distance of an object by recording echoes of sound waves


  2. radiationtransfer of heat through empty space


  3. plate tectonicstheory that pieces of earth's crust are in constant motion, driven by convection currents in mantle


  4. scientific theorywell tested concept explaining wide range of observations


  5. rift valleydeep valley forms where 2 plates move apart